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Commit dc3d28d

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Create 3370. Smallest Number With All Set Bits.cpp
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class Solution {
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public:
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int smallestNumber(int n) {
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int num = 1;
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int iter = 1;
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while(num<n){
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num = pow(2,iter)-1;
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iter++;
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}
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return num;
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}
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};

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